/**
 * Copyright (c) 2012-2017, www.tinygroup.org (luo_guo@icloud.com).
 * <p>
 *  Licensed under the GPL, Version 3.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * <p>
 *       http://www.gnu.org/licenses/gpl.html
 * <p>
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.tinygroup.trans.common;

import com.google.common.util.concurrent.RateLimiter;

public class RateLimitFilter {
	private Double rateLimit;
	RateLimiter rateLimiter;

	public boolean check() {
		if (rateLimiter != null && !rateLimiter.tryAcquire()) {
			return false;
		}
		return true;
	}

	public Double getRateLimit() {
		return rateLimit;
	}

	public void setRateLimit(Double rateLimit) {
		this.rateLimit = rateLimit;
		if (rateLimit != null) {
			rateLimiter = RateLimiter.create(rateLimit);
		}
	}

}
